SCIENTIFIC ABSTRACT BRICHKIN, A. V. - BRIENDIS, A. K.

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December 31, 1967
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WABA TYROVv U.S. BRIGHKI!t&UV Iffect of resistance in dust collector' ohan'nelo on sinker 6411 boring (air hammer drill). TI-udy rnst. gor. deb. AN Kazakh. SSR nos'3;120-128 158,- (MM ID-6) (Boring) (Dust oolleatora) .-BRICHKIN, A.V., prof.; CRULAKOV9 P.Ch., inzb.; GXNBACH, A.N., inzh. 1-11-- Theoretical principles of thermal piercing. Izv.vya.ucheb.zav.: jor.zhur. no.7:48-56 '58. (MIRA 12:3 1. Chlon-korreepondent AN Kaz.SSR (for Brichkin). 2. Kazakhokiy gorno- metallihrgicheskiy institut. (Boring) BRICHKIN, A.V.; SINIAYIV, P.R.; GENBACH, A.N. Iffoot of the thermal gas flow on the face of a borehole during thermal piercing. Trudy Alt. GMNII AN Mazakh. S,SR no-7.-82-101 158. (MIRA 12:7) (Boring) (Thermodynamics) BRICHIUM A V prof.; SlIMNI'AV, P.R., inzh. ".7 t4i.~ I I ~17 Q2~~ istance between burner and borehole face and its influence on the rate of thermal piercing* Isv*vyG.ucheb.zav.; gor.zhur. no.11:74-86 '58. (MIRL 12-8) 1. Ka2anskiv. gornometallurgicheakiy institut, chlen-korrespondent AN KazSSR (for BrichIcin). 2. Altayakiy institut AN Ka2SSR (for Sindeyev). (Boring) .' BRICHKIN. A.V.; CRULAKOV, P.Ch.; GINBACH, A.N. 7= -, Granulometric composition of the products of thermal boring of holes. Veat. AN Kazakh. SSR 14 no.2:52-61 F 158. (MIRA 11:2) (Boring) dolctor tekhn.nank; GFINTIACH, A-11., gorW inzh.; GkLZIZGV, Kh.Kh. IW-BGG photoelectronic apparatiis for fractional calculation of dust particles under the microscope. Bor'ba 8 Bil. 3:224-230 l59. (14IR), 12:9) (PHOTOMBURIC, RROUREMENTS) (DITST) BRICHKIN, A.V., prof., doktor..tekhn. nauk; GEMCH, A.H., inzh. Jet drill for cutting hard rocks. Stroi. met- 5 no.1:38 Ja 159. (MIRA 12:1) (Boring machinery) Y]MGALIYZT, Abdesh Yergaliyevich; prof., doktor takhn. nank, oty.red..; MA.27RINA, D.M., red.; PRMHOROT, Y.P., takhn.red. [Development of "in type'deposits] Rasrabotka mestorozMenii shillnogo tipa. Alma-Ata, 1%4-,vo Akad.nauk Kazakhokol SSR. 1960. 305 P. (MIRA 13t5) 1. Chlen-korrespondent AN lasSM (for BricWdu). (mining engla"ring) BRICHKIN, A.V*: PJMBMTUN, V.V. Parameters.of the supersonic jet of a rocket-type burner and Ito field of persistent piercing. Ity. AN Kazakh. SSR. Ser.gor.dela no.2t45-54 16o. (KM 13:10) , (look drills) BRIGHKIN, A.V.; GRIWAGH, A.B.; SHAMIN, P.A. Automatic control of the jet burner feed in thermal piercing. Trudy Inst. gor. dela kN Razakh.SSR 4:99-114 16o, (MMI 13:9) (Boring machinery) tAutomatic control) BRICHKIN, A.V., HIKIMIOV, I-M- Determining the commercial minimim of metal content in mining thin lodes. Trudy Inst. gor. dela AN Kazakh. SSR 5:55-71 160. (MIRA 13:8) (ores-Sampling and estimation) 81431 S/030/60/000/06/08/043 0 B004/BO08 AUTHOR: Brichkin, A. V.,Corresponding Member AS Kazakhakaya SSR TITLE: Ways of Intensifying the Destruction of Hard Rocks PERIODICAL: Vestnik Akademii nauk SSSR, ig6o, No. 6, pp. 89-92 TEXT: The author deals with thermal drilling by means of a high-tempera- ture burner. This process allows a high drilling speed especially in very hard rocks as compared with mechanical drilling. The burners can also be used for the surface treatment of stones in the building industry. The author discusses the effect of the drill produced by thermal stresses which is still increased in quartz-containing rocks due to polymorphous transformation of the quartz occurring under volumetric change. The effect of the velocity of the gas flow is discussed, and the additional tempera- ture rise due to the braking of the velooit by the rocks, especially at supersonic velocity of the gas flow (Fig. 1~ is explained. The equation Tstop ' T + Rk - 1)/2gRkl.W3 OK is written down for the braking Card 1/3 Ways of Intensifying the Destruction of Hard S/030/60YON~06/08/043 Rocks B004/BO08 temperature (T - thermodynamic temperature, k - adiabatic exponent, R - gas constant, g = gravitational acceleration, W - velocity). Fig. 2 shows the increase in drilling speed with increasing rock hardness (hard- ness scale by M. M. Protodlyakonov). The dependence of drilling speed on the diameter of the bore hole and distance between burner and rock (Fig-3) is investigated next. The author reports on various methods of automation and control of thermal drilling, and mentions the utilization of resonance between the ultrasonic frequency of the burner flame and the bore hole space, which can be kept constant by a pickup adjusted to a certain frequency. The author jointly with Engineer P. A. Shamin designed an apparatus for visual observation of the burner. The sonic and ultrasonic waves developing in the bore hole are made visible on the screen of an oscilloscope. Full automation requires a change in the distance between burner and rock with increasing depth of the bore hole, due to the in- creasing counterpressure. These studies are conducted at the Laboratoriya novykh fizicheskikh metodov Gornometallurgicheskogo institute, kkademii nauk Kazakhskoy SSSR (Laboratory for New Physical Methods of the Institute of Mining and Metallurgy of the Academy of Sciences, Kazakhakaya SSR). A regulation is also possible by measuring the radioactivity of the Card 2/3 X 81431 Ways of Intensifying the Destruction of Hard S/030/60/000/06/08/043 Rocks B004/BOO8 destruction products thrown out of the bore hole. There are 3 figures. V% Card 3/3 BRIGHKIF, A*V*; Sam, P.A. Acoustic ancl optical properties of the torch in jet piercing. Trudy Inst. gor. dela AN Kazakh. SSR 6:100-113 160. (MIRA 13:32) A.;, (Rook drills). (jets) 89964 12. , 0i (90L) 2 Ll I I S/097/60/000/011/007/007 1!~ .'~D 0 012,15 oL,6o 2709 A053/AO29 AUTHORSt Brichkin, A. V,-. Professor, Doctor of Technical Sciences, -Perevertun, V. V. TITLE: Cutting of Concrete and Reinforced Concrete With a High-Tempera- ture and High-Velocity Gas Jet PERIODICALt Beton i zhelezobeton, 1960, No. 11, PP- 529 - 530 TEXT.- The article describes a TP-14/22-~3 (TR-14/22/3) gas jet cutting device of high efficiency, which ejects a'torch of high temperature at super- sonio speed(Ref. 1, 2), emwiating from a combustion chamber burning kerosene in oxygen. The temperature which the gas jet develops is high enough to cut through rock,and to carry off loose scales, but not sufficient to cut throudi concrete 60 mm thick at a faster rate than 1 m per hour. In order to obtain greater cutting efficiency, it was necessary to add a fixture whereby a com- pound of aluminum and ferric oxide in powder form was fed into the torch from a bin under a pressure of 3 - 4 kg/cM2. Ferric oxide ensures easy melt- ing and fluid slag, while burning of aluminum releases a great amount of heat. Under the combined action of the high temperature gas jet and the Card 1/3 89964 S/097/60/000/011/007/007 A053/AO29 Cutting of Concrete and Reinforced Concrete With a High-Temperature and High-Velocity Gas Jet described powder mixture, a reinforced concrete plate 60 mm, thick was out through at a rate of 8 m per hour. The consumption of oxygen amounts to 12 m3/hr, of kerosene to 6 1/hr, of cooling water to 80-90 1/hr, of aluminum powder to 3-4 kg/hr. Concrete plates 120 mm thick are out at a rate of 5-6 m/hr. Physico-meohanical changes in the concrete take place only to a depth of 0.5 to 1 cm from the surface of the out. There is 1 diagram, 1 photograph and 2 Soviet references. Figure la Gas jet cutting device TR-14/22-3 for cutting and prooessing of concrete and reinforced concrete a - general view; b - burner (cross section), 1 - hose for powder mixture, 2 - valve, 3 - Pipe, 4 nozzle, 5 - burner, 6 - oxygen hose, 7 kerosene hose, 8 - water hose, 9 body of cutter, 10 - water channel, 11 kerosene channel, 12 - oxygen channel, 13 - distribution chamber, 14 - jacket, 15 - spray burner, 16 - combustion chamberp 17 - calibratort 18 - starting mechanism box, 19 - nozzle. Card 2/3 S/097/60/0 0/011/007/007, A053/AO29 FEDOTOV, P.I.; KURMANKUIDV, Ye.M.; BRICHKIN, A.V., Vibrating automatic feed. Sbor. nauch. trud. Xaz GYJ no.19:167-170 ,6o. (YJRA 150) (Boring machinery) BRICHKIN, A.T.; SHMIN, P.A. Automatic control incorporating amplidynes and self-excitation for the electric drive of the jet-pierding burner feed. Vest. Kazakb.SSR 16 no.9.*32-43 S 160.' (MIRA 13:9) (Boring machinery) (AVt_omatic control) BRICH avlaAr 31saall L yevich; NIKIFOROV, Ivan Mikhaylovich; SIUMIN., B.P.,, dots.,, retsenzent; SLASTUNOV, V.G.., gornyy inzh.p retsenzent; KUZMSOV, I.P.p dots... kand. tekbn. nauk., retsenzent; YARTSEV, V.A.,, dots., kand. tekhn. nauk, retsenzent; KULIKOV, V.P... assistent, retsenzent; SINITSIN, I.A., assistent, retsenzent; USOVI V.I., assistent, retsen- zent; BUBOK, K.G.s otv. red.; PARTSEVSKIY, V.N., red.izd-va; SABITOVI A.., tekhn. red. [Safety measures in mines] Tekbnika bezopasnosti na rudnikakh. Moskva, Gos. nauchno-teldinizd-va lit-ry po,gornomu delu, 1961. 440 P. (MIRA 192) 1, Severo-Kavkazskiy gornometaUurgicheekiy-institut (for Skalkin, Slastunov). 2. Zaveduyushohiy kafedroy tekbniki bezopasnosti i rudnichnoy ventilyatsii Sverdlovskogo gornogo institute, im. V.V.Vakhrusheva (for Kuzneteov). 3. Kafedra takh- niki bezopasnosti, i rudnichnoy ventilyatsii Sverdlovskogo,gor- nogo institute, im. V.V.Vakhrushava (for Yartsev, Kulikov, Sinitsinp Usov). (Mining engineering-Safety measures) BRICIMIN, A.V.; SHAMIN, P.A. Automatic contro of thermal drilling by means of an optimalizing controller and radioactive transducer of operation. Izv.AN Kazakh. SSR.Ser.gor.dela no.2:51-56 161. (MIRA 15:2) (Boring) (Automatic control) MUCHKIN9 A.V.9 prof.; BEIMIK09 W.P. # in2h. 'j Stresses in thermal rock drilling, Isr. "s. ucheb. sav; gor. zhur.no.2:79-86 161. (KM 14:3) L Kazakhakiy gornometallurgicheskiy institut. Rekomendovana kELfedroy razrabotki rudnykh mestorozhdeniy Kazanskogo gornametallur- gicheakogo inst#uts, (Boring) _BRIqHM,_A.V., prof.; BEIENKO,, N.F.y inzh. Nature of heat exohange in thermal drilling, Izv. vyo uPab, zav.; gar. zhur. no,5:84-93 161, (MMA &7 1. Kazakhakiy politekhnichaeLty institut. Rakomendovana kafedroy razrabotki rud"kh mestorozhdaniy. (Boring) BRICHKIN,.Aj, inzh.; GENBACH, A.M., inzh. ', prof.; PEREVERTUN, V.V., Treating hard rocks, concrete, and reinforced concrete with a high-temperature ultrasonic gas jet. Izv. vys. ucheb, zav,; gor. zhur. no.6t6l-67 161. (MIRA 16:7) 1. Kazakhskiy politekhnicbeskiy inatitut. Rekomendovotna kafedroy razrabotki rudnykh mostorozhdoniy. 2. Chlen-korrespondent AN Kazakhskoy SSR (for Brichkin). Rocks-Thermal properties) nerete-Thermal properties) t BRICHKIN, A.V.; CHULAKOV, P.Ch. Heat exchange and the conditions of intensive breaking of rock in thermal boring. Trudy Alt. GMNII AN Kazakh. SSR 10:95-102 ,61. (MIRA 14:9) (Boring) .I - . I ~ -- - .- - -- - - I . I I-- --_ BRIGHKINj A.V.; SINDEYEV, P.R.; GENBACH, A.N. Form of the gas screen of a jet device for thermal boring. Trudy Alt. GMNII AN Kazakh. SSR 10:103-115 161& (MIRA 14:9) (Boring--Equipment and supplies) BB4ULM,A,V.; SINYAVSKIXO G.K. Vibrational perturbations in nud torrents. Trudy Kaz.NIGMI no*3.6:13.4-124 161. . (MM 15:5) (Frwicm) 3/149/62/000/005/001/008 Aoo6/Aiol AUTHORS: Brichkin, A. V Bolotov, A. V. TITLE: On the use of an electric are in rock drilling PERIODICAL: IzvestJya vysshikh uchebnykh zavedeniy, Tsvetnaya, metallurgiya, no. 5, 1962, 7 - 14 TFr.r: The possibilitlof using an electrib arc in rock drilling has been investipated by various authors. A number of devices proposed is discussed and was found deficient in operation. In 1959, Brichkin and Bolotov proposed a new design of an electric are drill in which the are arises between a rod and a ring electrode and is drawn out into a long ring-shaped.tongue of flame due to electro- dynamic forces. The gap between the electrodes-remains constant. The drill Is water or compressed-air cooled. Its schematic diagram is given. To determin6 V\ power consumption for the formation of the high-temperature tongue of flame and ,to check the operational capacity of the unit, an experimental model was devel- oped with a 6 mm-diameter carbon rod electrode serving as an anode and a 4 mm thick carbon plate with a central hole serving as a cathode. The length of the Card 1/2 s/14q/62/boo/bo5/boi/oo8 On the use of an electric arc In rock drilling A006/A101 tongue of flame increases to 15 - 18 cm at higher current values (180 - 200 amps). The electrode consumption is 0.21 - 0.4 g/min. The tongue of flame Is soft and its heat transmission capacity is low. When the tongue of flame passes through the ring-shaped arc, the gas is heated to 3,000 - 3,5000K, the tongue of flame be- comes rigid and Its heat transmission capacity increases. The heat and mass ex- change between the gas flow and the ring-shaped tongue of flame of the are assure an averaged temperature of the gas flow and its higher motion velocity. The in- creased power of the gas flow produces sufficient conditions for intensive drillirg Thete are 7 figures. ASSOCIATION: Kazakhskiy politekhnicheskiy institut (Kazaldi Polytechnic Institute) Kafedra razrabotki rudnykh mestorozhdeniy (Department of Mining of Ore Deposits) SUBIIIT'~IED: Noverber 21. 1961 Card 2/2 I BRIGHKIN A.M.;,,MARGCRIN, G.N.; PEREVERTUN, V.V.; HIKHEYEV, S.V.; GENBACH, A.N. Design of a rodless thermal drilling shell for widening boreholes. Trudy Inst.gor.dela AN Kazakh.SSR 9:128-134 162. (MM 15:8) (Boring machinery) BRICHKIN, A.V.; BELENKO, N.F., inzh.ji SHERSTYW, inzh. Parameters of the sup3rdonic gais,jet-iri.therm~al drilling. Izv. 0 v.vs. ucheb. zav.; gor. zhur. 5 no.L90-97 162. (~M 15:4) 1. Kazakbskiy politekhnicheskiy institut. Rekomendavana kafedrcy razrabotki rudnykh mestorozhdeniy Kazakhskoogo politekhnichesko,go instituta. 2. Chlen4orrespondent AN Kazakhskoy SSR (for Brichkin). (Boring-Equipment and supplAes) (jets) L.---BRICHKIN A.V.; SHAMN, P.A. Physics of hard mineral rock disintegration by thermal jets. Izv. vys. ucheb. zav.; tsvet. met. 5 no.4:3-13 162. (MIRA 16:5) 1. Kazakhakiy politekhnichaskiy institut, kafedra razral4tki rudnykh mestorozhdeniy. (Boring) (Gas dynamics) BRICHM, A 0; BWTOV A.V. - -, _V. ~ P Use of an electric arc ;or rock.bor4g. Izv. vys. ucheb, zave; tsveto met, 5 no.5-.7-14 162* (MIRA 15:10) l* '-XAxakhskiy politekh4cheakiy institut, kafedra razrabotku radnykh mestor~rMeniy 41ectrio are) (Boring) BYCMHKINY A.V.; MOSKALEV, A.N., inzh. Drillability of rocks using a single-nozzle jet under constant working conditions. Izv. vys. uch..xav.; gor. zhur. 5 no.6: 71-77 162. OURA 15:9) 1. Kazakhokiy p*Jitekhnicheskiy institut. Chlen-korrespondent Akademii nauk kiiakhakay SSR (for Brichkin). 2. Sibirskiy metallurgichaskiy institut imeni S.Ordzhonikidze (for Moskalev). Rekmendovana iafedroy g'ornykh mashin i podsemnogo transporta Sibirskogo metallurgicheakogo instituta. (Rocks--Testing) (Boring machinery) BRICHKIN, A.V.; POGREB, V.I.; SHNAPIR, Ya.I. Theoretical evaluation of the nature of the stresses, deformations, and heat trar)sfer conditions in a rock in the presence of forced heat flows. Trud,.,r VNIIBT no.10:136-147 163. (MIRA 17:4) BRICHKIN A--V. prof., doktor tekhn.nauk; BELENKO, N.P., kand.tekhn.nauk; 'MMIrd, A.V., inzh.; GENBACH, A.N., Inzh.; SHAPIN, P.A., kand. tekhn.nauk;- SHERSTYUK, B.F., inzh. Experimental studies of the parameters of the stream of a jet- pierding burner. Izv. vys. ucheb. zav.; gor. zhur. 6 no.3: 52-58 163. (MIRA 16:10) 1. Kazakhskiy politekhnicheskiy institut. Rekomandovana kafedroy razrabotki rudnykh mestorozhdeniy. 2. Chlen-korrespondent AN K&zS,SR (for Brichkin). BRICHKIN A.V. prof; POGREB, V.I., inzh. Field of temperature oet'up in thermal dklling. Izv. vys. ucheb~ zav.,-,-govw~, Aur'. 6 no.6:76-83 16%,- (MIRA 16:8) 1. Kazakhakiy politekhnicheskiy inatituto Rekomendovana rafedroy razrabotki rudnvkh mestorozhdeniy. - (Boring) BRICHKINY A.V.; SINYAVSKIY, G.K., kand.fiziko-mutematicheskikh nauk 'Mechanization of mudflow protection work. Vast. AN Kazakh. SSR 19 no.7:12,20 JI 163. . (MIRA 17s2) 1. Chlen-korrespondent AN KazSSR (for Brichkin). I/ BRIGHKIN, A.V.; TARANOVw YU.I. Comparative evaluation of the efficiency of roller and pneumatic percussion boring maebines. Trudy InBt. gor. dela I AN Kazakh.SSR 12:30-36 163. WIP;, 1-1-8) BRICHKIN A.V., prof.; POGREB, V.I., inzh.; GENBACH, A.N., inzh. ....... Optimal angle of incidence of a gas jet with the stope surface during jet piercing. Izv. vys. ucheb. zav.; gor. zhur. 6 no. 12:88-92 163. (MIM 17:5) 1. Kazakhskiy politekhnicheskly institut. Rokomendovana kafedroy razrabotki rudnykh mestorozhdeniy. BRICHKIN, A.V., prof.; SHAMIX, P.A., kand.tekhn.nauk Apparatus for studying the jet flame of jet piercing equipment,,, Izv.vys.ucheb.7.av.:gor.zhur. 7 no. 1:179-188 164. (MMA 17:5) 1. Kazakhskiy pl-*Ltekhnicheskiy institut. Rekomendovana kafedroy razrabotki rudnykh mestorozhdeniye BRICHKIN, A*.V., prof.; POGREBI V.I.y inzh. Temperature aftereffects following jet piercing. Izv.vys. ucheb. zav.j gor. zhur. 7 no.3t89-" %4 (MIRA. 17t8) 1. Kazakhskiy poli-tekhnicheskiy institut. Rekomendovana kafed- roy razrabotki rudn-ykh mestorozhdeni-y i lanoratoriyey novykh metodav r"rusheniya porod. 2. Chlen-korrespondent AN KazM (for BrIahkin). BRlClfKtN, A.V., prof., FOGRE13, V.I., lwh.; GEMMM-1, LIN., inzh. y Mechanism of rock breaking under the tic Lion of a high-temperature and higb-speed gas let. lzv.vys.ucheb.%av.;gor.zhur, 7 no.7t80-85 164. (MlRA 27910) 2. Kazakhakiy politeRhnicheskiv Institut. Rekomendovana kafedroy razrabotl-.i rudnykh mestorozhde~iy. BRICHKIN, A.V., doktor tekhn. nauk; ZINEVICH, N.I.; IABIN, Concerning the book 17 y V.M. Mostkov "Malking mderground struc:1.11'res of large cross section. Shakht. strai. 8 no.9?29 S 1614. (MRA 17-0-2) 1. Chlen-korrespondent AN KazSSR (for Brichkin). 2. Glav-.iyy inzh. Kazakhakogo filiala Vsesoyuzrogo ordena Lenillia proyektio- izyskatellskogo i nauchno-issledovatel'skogo Instituta ineni S.Ya. Zhuka (for Zinevich). 1V L 4~322_6~ ~Vv Pf- N-4 JD ACGESS_tON-'~R: AP5006842 B/0227/65/000/002/0029/0030 Brichkin, A. V.; P V. V. 14amadaliyev, K. H. (Engineers) IME: Cutting of concrete and reinforced concrete with the flame of a rocket torch ]SOME.: Promyshlennoye stroitel'sivo, no., 2,~ 1965, 29-30 !-TOPIC TAGS: cutter, concrete -cylLig torch design, rocket torch _rs di t--,-rocket~.t-ype_. torches of various design developed in &Vttekhniche ZaL skogo in-, ---7(Pr b P 6 Ion- stituta -Labordtb _t o~- 66t ~superior to t' _C1ijtJiiS -414 aq pneumatic drill hard rock, concrete, reinforced concrete and other N ry hard materia" Lng iror-ket-type -, orch J , as shown in Fig. I of the Enclosure, consists of :tion .chamber, a nozzle for ejecting the flame of heated gas, and a spud fo-L ri~ t ing Ang the f uel (kerosene) with the oxidizing agent (oxygen), proteeLzi and mL by a 1claddlag and cooled by a water jacket. The physical and operational adva~-tlages of this torch over other flamt-using devices, suph~as oxygen and acetylene torches ~or the thermite process, are illustrated by rates of 5 to 8.5 M/hr. achieved in TCord J4. ;is'.[CIIKD4, perfor,man.c.9 of destractiOn r)f 37-43 D 165. - " A T,f,r-. PA W"d the. int,~Ans.ity rf V-Sto kN QqR " jjj'- ? ~ -.J- (~ 0 . . - - "I r 18-121) ps AP6025253-~ DDURCH CODE: UR/0057/55/036/007/1251/1258 AUIHOR: BrichkinjAeVe; Bolotov,A,,V.; Borisova#T&Vo ORG: none TITIX: On the dynamics of the cathode d anode spots of an electric -are SOURCE: Zhurnal tekhnicheskoy Mikip vo 36, no. 7, 1251-1258 TOPIC TAGSi electric are, are property, cathodeq snodeq copper# cathode spot, anode spot ABSTRACT: A large part of this paper is devoted to a mainly qualitative discussion of the growth and motion of cathode and anode spots in electric arcs, The electrode spotf increase in diameter less rapidly than does the discharge channel; the authors feel that the reason for this behavior is to be found in the thermal inertia of the elect- rode material and its temperature and electron emission characteristics. The qualitief whose possible influence on the dynamics of electrode spots is discussed include the thermal flux in the spot, the electrode temperature, the heat conductivity, the electrodynamic repulsion of.autonomous-cathode spotst the boiling point of the cathode material, the heat capacity of the cathode, the latent heats of fusion and Vaporizatior. and the temperature dependence of the electron emission within the cathode spot* The last factor accounts for gross differences in the behavior of cathode spots on elect- rodeo of differont materialse The high mtility of the cathode opot on a copper I - . -j UDCt 537,523 L 02272-67 ACC NRi AP6025253 electrode is ascribed to a decrease in electron emission at high temperatures, owing to destruction of the oxide surface layer4. Experiments were performed with arcs between concentric copper rings and between plane electrodes that were variously heated or cooled. The arc wandered in the annular space between the ring electrodes the more rapidly, the higher the electrode temperature (up to 500 or 7000C) and the shorter the gap. 7be cathode spot executed chaotic motions about its-mean position and left no perceptible track; the anode spot noved more evenly and left a trail of molten electrode material, The current density in the anode spot decreased rjLpidlyIwith in- creasing electrode temperature; that in the cathode spot was much less temperature dependent. It is concluded that from the discussion in this paper opocan estimate the velocity with which the electrode spots must be made to move and devise means for realizing that velocity; that the current density in the anode spot on a coppar elect- rode depeBds stjongly on.the electrode temperature, decreasing from 4.lfilx 10 to q.19 x 10 A/cm as the temperature increases from 16 to 5000 C, whereas the current density in the cathode spot depends but little on the temperature; and that the cathode.spot has a tendency to nove under the influence of the magnetic field,of the current in the electrode. Orig, art. has: 5 formulas and 7 figures. A(fC NR- AP6012863 SOURCE CODE: UR/0127/66/000/004/0058/0060 AUTHOR: Brichkin, A. V. (Professor, Doctor of technical sciences); Zabudkin, L L. (Candi- date of techn-1-c'M 6s)" NizovkLny~__M. Enghjeer);jMdallnjqy,__P,. A. (Engineer); Yeremin, B._E,. (Engineer); Ya-ya-fi, Yi. S.- (~.'ngineer) 6 ORG: [Brichldn, Zabudldn, Nizovldn] Kazakh Polytechnic Institute (Kazakhsldy politekhniche tich! Mi 4T~ay_" e (M r alims rudn _p~iy institut); [Zayats, Baydalinov. Yereminj 11 rp Min i g ay ___ iTITLE: Industrial tests of Igdanits at the "Mirgalimsay" mine SOURCE: Gornyy zhurnal, no. 4, 1966, 58-60 TOPIC TAGS: explosive, explosive charge ABSTRACT: In December 1964, tests of igdanits (explosives co, posed of granulated !~~Mon- jum inddieseloil ere begtw~~t the "Mirgalimsay" mine for the purpose of determint nitrate i ng the --iii-4 16-imed during ff~e-iFiip-ios-io~,-in-aWCe-ffe--ctiireness 6f the6plostm The amount of toxic ~Pr' tests showed that the total amount of toxic gases evolved by the igdanits was no greater thaA in the case of detonite or dinaphthalite. The effectkmness of severA*"s of charging Imchines was- also s tuaied, The substantial advantages of charging blast holes by V.Wana of the ZDU-50' machine are listed. Themachine gives a charging density.!f 1. 15 g/cM3; its use for A mon .6 1965 permitted the charging of 209 000 m of blast holeaq for wb.tch 35, 000 kg of iguanitr was used, and 95.000 tons of oie--w-a-s-bTa-e-tedloose. The tow savings for i10,200 rubies. Orig. art. has: 2 tables. SUB CODE: 19/ SUBM DAM. -none/ ATD PRESSIP/ UDC 662. 242:622p 272 on26"', ACC INR: 1,*-,MZ,',TORS: Brichkin, A. V.; Miargorin, G. M., Kalinov, V. A. ORG: none T-ITITL: A device for docrepitating by heat natural and artificial minoral media. Class 5, No. 164199 SOURCE: Izobret Prom obraz tov zn, no. 15: 1966~ 9 TOPIC TAGS-. heat effect, combustion chamber, combustion gas dynamics ABSTRACT: This Author Certificate presents a device for docrepitating by heat natural and artificial mineral media as dez;cribad in Author Certificate No. 168220. (see Fig. 1). To produce a smooth regulation of the dynamic parameters of the gas utrea-"I, the -motion-imparting mechanism, is made in the form of a Sylphon (with one and Irigidly attached to the combustion chamber) and of a piston advancing under the Fig. 1. 1 - sylphon; 2 combustion chamber; Piston Lqqpd 1/2 uDc: 622.243-.94 09267 -67 ACC INR, AP6029,969 pressure of compressed air. Orig. art. has: I figure. 23Y The piston is connected to the other and of the sylphon, SURNt DATE: OWar65 SU13 CODE: L 07986-67 EWT(m) SOURCE CODE: UR/0031 ACC NR% AP6015407 A) AUTHORS: Brichkinp A. V. (Corresponding member AN KazSSR); Kalinovo V. A. -SY ORG: none TITLE: The operating range of a burner and the intensity of directed break-up of ,retes c onc SOURCE: AN KazSSR. Vestnik, no. 12, 1965, 37-43 TOPIC TAGS: concrete, ferroconcrete, mineralogy, mining, combustion, gas dynamics C~.e O.,t a (0,, e _ IAoS 7.Q U.-n 4F ",- J ABSTRACT: The technology, of concrete cutting and boring by means of a gas burner is discussed. Some general aspects of the process of torch cutting are considered first. The fusion strength of a material is a function of its chemical-mineralogical content and this strength falls sharply with increasing temperature. Previous studies in this field have determined that the rate of the process of boring or cutting is increased by an increase in the burner combustion chamber pressure. The chamber pressure increase is accompanied by increases in the temperature, velocity, and density of the gas stream, thus increasing the coefficient of heat transfer and the jet efficiency. Some of the important parameters to be analyzed in the design and sizing of a torch are discussed, and a schematio diagram of a test torch device having a variable-volume combustion chamber is presented. Tests performed with this device led to these con- clusions: 1) the variation of the parameters of the gas flame of a rocket burner by II r .1, ~ 07 ACC NR, means of a variable-volume chamber permits the determination of the process intensity in various mineral substances; 2) the device facilitates the evaluation of the quality of work of the rocket burner; 3) it allows wide latitude in the study of the con- atruction elements in the burner and various modes of operations and allows the establishment of the factors for increasing the intensity of the process; 4) the burner with variable size combustion chamber is rationally,desigaed for ore and rock, and for various mineralogical and petrographic substance. Orig. art. has: 3 figures and 11 equations. SUB CODE: Of, 14/ SUBM DATE: none/ ORIG MW: 007/ OTH REFs 001 2 _ACC NR, AR6023343 SOURCE CODE: UR/0271/66/000/004/AO40/AO40 AUTHOR: Brichkin, A. V.; Sinyavskiy, G. K. TITLE: Information processing from group sensors SOURCE: Ref. zh..Avtomat telemekh i vychisl tekhn, Abe. 4A302 REF SOURCE: Sb. statey aspirantov i soiskateley. M-vo vyssh. i sredn. spets. obrazovaniya KazSSR. Tekhn. n., v. 1, 1965, 97-109 TOPIC TAGS: information processing, automatic control parameter, random function, pulse signal, signal analyzer ABSTRACT: A method is recommended for automatic analysis of individual random ele- mentary parameters of an automatic control system which permits establishing the mathematical relations between them. Technical methods of analyzing the recordings of random functions, methods of converting signals from primary sensors, and time packing of the channels transmitting signals from many points of measurement are examined. The instrument set for analyzing pulsed signals is described: I)spectrum analyzer of audio frequencies for analyzing stationary noise and vibration processes in the 50--12,000 cps range; 20 third-octave recording spectrum analyzer which op- erates in the 40--15,000 cps range and serves to obtain the autocorrelation function, the analyzer is constructed with the use of a system of switchable third-octave fil- ters; 3) a correlation analyzer of audio frequencies which is intended for measuring a mutually standardized correlation coefficient of two quantities and for obtaining Card 1/7 UDC! 6%R_qA9_fl19 7 WC~CNR- -A--R6023343 the autocorrelation functions; The frequency range is 30-1500 cps. The instrument is equipped with a 0-2 sec variable delay line. In it is provided the possibility of simultaneous measurement of the mean squares of the investigated quantities and als o the possibility of automatic recording of the correlation coefficient and mean squares both as a function of time and as a function of delay time. [Translation of abstract] 14 illustrations and bibliography of 13 titles. B. U* SUB CODE: 09 GURVIOA'~ V. B. BAIARDINA V.A.; BRICHKIN, N.I.,; NWKOVA, M.P.; MALIKOV,, V-I. Device for gutomatie determination of moisture contqAt by means of Fischer I vreagent. Plafit.masay iao.11:39-4.3 '61.- (kIRA; 14:5) (Titrimeters) R.AVCHENKOY I.P.- PLAMINDVV G.D.; BRICHKOp A.T. Preheaters for,presses for the stiff d process. 0 eupory 30 no.2s47 165. t 91(,MTRA 180) 1. Orsko-Khalilovskly metallurgichaskiy kombinat (for Kravchenko, Platonov). 2. Magnitogorskiy metallurgichaskiy kombinat (for Brichko). 37240 S/148/62/000/003/005/011 B161/E435 AUTHORS: Boyarshinov, M.I., Arkulis, G.B., BcjRhko G~~~ TITLE: Energy principles in the problem of the compression of layered bodies PERIODICAL: Izvestiya vysshilch uchobnykh zavedeniy. Chernaya metallurgiya, no-3, 1962, 88-94 TEXT: When bodies consisting of layers of different metals are compressed, three possible effects can occur: a selective deformation of the individual layers, a simultaneous uniform* deformation of all layers or, lastly, a simultaneous nonuniform deformation in which all layers are deformed, but to different degrees, owing to slippage of layers on6 over the other. This paper considers the energy principles involved in these processes, especially in the case of forming metals by pressure. The general theoretical development is based'on the principle of virtual work, applied*to each layer of th'e body. The resulting equations are summed over all the,layers and this leads to a variational equation. Special cases are then considbred: firstly, in which the inter-layer forces do not vary and, secondly,. Card l/ 2 S/148/62/000/003/005/011 Energy principles ... E16l/E435 in which they vary as functions of the displacements. The effect of the strengthening of specific layers is next considered and-its- application to forming metals by pressure. Equations are derived' which can be utilized for the solution of problems concerning plastic form-change of a layered medium which is being work hardened. A specific example is comprehensively analysed upsetting of metals under the influence of pressure. The model considered is a solid metal cylinder clad at each end with a different material, the whole being c6mpressed by pressure directed inwards and applied by means of two horizontal plates. Application of the theovy leads to expressions for the deformations of the claddings and of the central cylinder, and for th6 mean pressure at the contact surfaces during upsetting-. of bimetallic cylinders. There are 2 figures. ASSOCIATION. Magnitogorskiy gornometallurgicheskiy institut (Magnitogorsk Mining Metallurgical Institute) SURMITTED: 'January 25, 1961 Card 2/2 ACCESSION NRs AT4030816 S/0000/64/000/000/0299/0302 AUWOR.- Boyarshinawp M. I.; Arkults, C. H.; Drichkos G. A. TIT~Et On calculating the irregularity of deformation in plastic compression of 7 bimetal strips SOURCE: Hauchno-takhnicheakaya mezhvuzovskaya konferentsiya po inzhenerny*m metodam raschetov tekhnologicheskikh protsessov obrahotki metallov davleniyem. Sverdlovsk, 1961. Inzhenernytye metody* rascheta tekhnologicheskikh protsessov obrabotki metallov davlaniyea (engineering methods In calculating technological processes of metal working by pressure); Doklady* konferentsii. Moscow, Metallurgir,dat, 1964, 299-302 TOPIC TAGS: deformation, compression, bimetal strip, plating, stress, pressure ABSTRACT; In this paper, the authors made an approximate calc'ulation of the defor- mation irregularity in plastic compression between parallel plates of strips plated on both sides with a softer material. The authors used a method of averaging one of the main stresses* They assuieft 1) that the stresses arising in the layered strip during its compression do not cbange.in the thickness of each layer. 2) the forces of internal friction and the interlayer adhesion are uniformly distributed Card 1/2 ACCESSION NR: AT4030816 !along the contact surfaces; the forces of interlayer adhesion are passive, and 3) ;the forces of friction are assumed to be proportional limits of consistency of the .deformed metals, while the interlayer fore" of friction are proportional to the :limit of consistency of the soft metal. Through a series of-mathematical arguments, the authors arrived at formulas for the three separate zones of deformation. They concluded that by a similar method it is possible to resolve the problem in deter- mining the deformation irregularity of the layers when a harder metal is used as a plating layer. Determining the deformation iftegularityby a similar method in the sagging of bimetal cylinders or in the rolling of bimetal strips is more complex since in these cam" supplementary stresses within the deformed volumes appear as a consequence of the deformation irregularity. Orig. art. hasi 11 formulas and .2 figures. ASSOCIATION; now EXCL: 00 SUBMITTEW',300ctO UtR ACQ:: 0"Vr64 -SUB CWZ$ M, ND RV, SM 1 000 CMM: 000 C" I/ ACCESSION NR: AT4030817 S/0000/641000/000/0303/0307 AUTHOR: Boyarshinov, M. I.; Arkulis, G. R.; Brichko, G. A. TITLE: Experiment for-calculating the rolling of bimetal sheets SOITRCE: Nauchno-takhnicheskays. mazhvuzovskaya konferentsiya po inzhonerny*m metodam raschetov tekhnologicheskikh protsessov obrabotki metallov davleniyem. Sverdlovsk, 1961. Inzhenerny*ye metody* rascheta tekhnologicheskikh protsessov obrabotki metallov davleniyem (engineering methods of calculating technological processes of metal working by pressure); Doklady* konferentaii. Moscow, Metallurgizdat, 1964, 303-307 TOPIC TAGS: bimetal sheet, rolling, deformation, plastic deformation, mechanical property, layer, interlayer friction., friction ABSTRACT: The authors examined the forces and deformations in rolling bimetal sheets on smooth rollers. The rolling of bimetal strips were separated into the following cases: 1) the state of joint deformation unfulfilled in one cross- section of,the deformation focus, then only selective deformation occ=s, 2) the state of joint deformation fulfilled throughout the entire length of the deformation focus, then selective deformation is completely absent, and 3) in the presence of Card 1/2 ACCESSION NR: AT4030817 selective deformation at the beginning of the deformation focus and the further joint deformation of layers. The rolling of a strip, plated on both sides by a softer metal, was examined. The specific pressure acting in the deformation along each of the three possible variants, and the state in which selective deformation would be absent were determined. Through a series of mathematical arguments, the authors arrived at equations for each of the three above-mentioned cases. Oris. art. has; 14 formulas'and 2 figuras. ASSOCTATTON: non* ,SUBMITTED: 30Oct63 DATE ACQ: 06Apr64 ENCL: 00 SUB CODE: ZIL NO UP SOV: 004 OTHER., 000 BRICHKOt G, A. . Averaging plasticity equations. met. 7 no.6-.1.14--U6 164. 1. 1-tagnitogorskiy gornometallurgicheskiy ------------- r--,) f-~ I L H ~< C I I/ E , &A . USSR/Chemical Technology - Chemical Products and Their Application. Wood Chem~stry Products. Cellulose and Its Manufacture. Paper, 1-23 Abet Journal: Referat Zhur - Khimiya., No 19, 1956, 63352 Author: Malikov., B. G., Brichko Ye M . Bondarik.. V. S. Institution: None Title: Results ofTegta of the Short44odulus Hydrolysis Conditions at Krasnoyarsk Plant Original Periodical: Gidroliznaya i lesokhIm. prom-st'.. 1956, No 2, 15-16 Abstract: Under these operating conditions (vithdrawing 53-54 m3 of hydro- lysate per cooking) rate of acid feed has been increased; heating duration reduced by 10 minutes and at the same time concentration of acid solution used to moisten the raw material has been increased; increase of pressure to 6.5-7 atmospheres gage pressure., is effected slowly, pressure is released and within 6-7 minutes the pressure is rapidly raised to the required level, after which cooking starts. Feed of acid has been reduced by 25-30 minutes per batch and the Card V2 USSIR/chenical Technology - Chemical Products and Their Application. Wood Chemistry Products. Cellulose and Its Yanufacture. Paper.. 1-23 Abst Journal: Referat Zhur - KhimiYa., NO 19, 1956y 63352 Abstract: amount of water decreased correspondingly. Washing of hydrolyzed matetial has been extended by 15 minutes and amount of wash water in- creased by 4 m3. Yields of sugar, on basis of absolutely dry raw ma- terial, amounted to 47.4% over the period of the experimentsj amount of heat per one decaliter alcohol has been decreased by 8.%) that of electric power and H2504 by 3%. Card 2/2 00 A on and Leni ngrad) j ;,W, I= (in k , f **a ; c .i P"Pd, 8 vm added liftemp, d I 00 ""m Pa. wit )I b 49- add **A *0 F2 was otqjj~,- b flat I' 64" N4went, 'CICII !-1-ALLUASKU LIU*. IWICATMN u 11 AV .10, a v, at 0 00 0. v 0 C(Olocrb 10.1 Ij M3 Olocicem and 130ce 30- -lid. with Utz Ya b.,W, it.., J4, . eth) X.W.J.040 ( with g'Mr- R)""s jee !fkift, a hi the h. I - . ", 0.6 &J-3W J%wAjijp6ft -00 C. .-,*,eutr%Uftd 4q. k- -while diA ". fro~a the I tau. *00 30Mu.", (111) It X fain. 0406 with Y h k' 134 (A ra. jk4li4% 4 mindW "".16m3,44. save 1.2 bwk4l Jijh US. javT ?'a c u - kwar AIQU I and a S60 tv . lksdaag. is's U dftv -i. III if _kr lkxb h 4 'S" 3 Cll". W'bik .1 6 ago in d.. "no. Q.44 III ftkl -lilt, Color Mth co" I, not do so. and J3r excess Its% - -S()~ - in linin - =90 With blu" Ykid, Iles initiQ * 10 64804"u-173,41- -Vftn su a YUw y a red CW Y tot.. aw In *Mkurhiu,,, t*,In -,U% EiOjI?ft ~- a with ). jut , 40-Ma- tracv I - t the ~ WCO all Weal' jr.) 35 Pre It. twig be ca A- talYzed to* ichfu" 30 h-bil and AfftccOjj at a** and 0,4 c hri. 03 4US &ad A it. heated f Lu (5 a . 6,i7. t readily an 0 stand 24 oil) oramin.t. . .147 '1mretbeJ.ft nuctiou -18 using to ts Which hYdrwyme, &~Mts. of tar. gave tOrwnw Zu. A ji V_r UtIstable III If . tuaterw and milar 182. Into ALI in if Swan '41C1. d JU Ator t1o civft these ask, c wa, a "Catin JO-So-- 444 cf,,,o~j and a3% If gf(il Wit m. ,ith do. n Stfilriti . d C-) and =% U.So. C11,01 yie I Ad'r 40 h-' then cUld 10 Y" 4- , % HAk 1. extd. wit ISO cc. Watr. Li2: &V0, 84;;~ 42T, If and abciw G. jc8%QftrAI ~ 0~u X4 0 - IN a a L we 13RICHKOp YE. P. USSR/Chemistry - Pinacol Glycols May 49 "Research on-the Conversion of Pinacol With Substituted Acetylene Radi6alst V, Synthesis and Conversion of Diphenyl-Kethyl-Phenylacetylenyl-Ethylene Glycol,," E. D. Venus- Danilova, Ye. P. Brichko, L. A. Pavlova,, Laboof Org Chem, Leningrad Technol Inst imeni Lensovet, * pp "Zhur Obshch- Khimft Vol XIX, No 5 Synthesized this nonsymetrical glycol and studied its conversion under the inMuenee of different concentrations of sulfuric acid., the products of its dehydration with a 40% solution being a ketone and methyl-pheny3.-phenylacetylenyl-acetophenone. The conversion results chiefly in a pinaeol rearrangement. Submitted 25 Mar 48. rA 67/49T/+6 JANECEK, M.; HORN, V.; BRICHTA, J.; SZARKA, F. Survival of preserved bone tissue. Acts. chir. orthop. traum. Cech. 32 no.5:422-424 0 t65. 1. Ortopedicka klinika (prednosta prof. dr. M. Janeeek, CSc.) a I. patologickoanatoinicky ustav (prednosta prof. dr. J. Svejda, DrSc.), lekarske fakulty University J.E. Purkyne v Brne. FEDET OVAO Hal ZIBOMOrM,, A;HUBKA, Mal Technicks, spolupracal CEMSAKOVA,K.; HROCHOVA, L,; katudy of the changes of various substrates and of enzyme activity in mitochondria, of the isolated dog heart after hypothemic storage. Bratials lek. listY 45 no*5t265-272 15 Hr 165 1e Ustav mcperimentalnej ohirurgie Slovenskej akademie ved (riaditelt akadamik K. 51ska)e BRICHUK, D.S. Bee Culture - Queen Rearing Way for keeping extra queens Pchelovodstvo 29, no.9, 11052 BRICHUK, P.F.; VABILMO, S.K. no.8'95-96 Ag 158. Tbroughnut the Soviet Union. Vaterinarlis. 35 (Veterinary medicine) (MIRA 11:9) BRICHUK P F veterinarnyy vrach. =.)-, V.-CJ-- Effectiveness of a solution of malachite green for treating ichthyophthirriasis in carp. Veterinariia 42 no.7-.53-54. J]. 165. (AMIRA M9) L. Kirgizskava reqpubIiL-irLqka-p veter-Inarnayu laborratc~riyii. .1 BRICYA, I UDOLF. Brdicku, Rudolf. Uvod do fysikalni chemie (Vyd. 2.) 1 rahu, StaUnI I edui,-ogicke nakl. ~' 0 1952. 170 p. (Introduction to physical chemistry. Bibl. diagrs.) SO: Yonthly List of East European Accessions, L. C. Vol. 3, No. 1 Jan 154 Uncl. IMNIIA, P.; BRUCKM, S.; RAWLESCU, A.; SR1eVAN._R_~_nIJMW, L.; TZODORESCU, T.: CIUBBZU, V.; SPINXR9 Ya; TAINML, GI.; STRYMCU, L.; VASILIU, P. Studies of the presence of mthogenic staphylococci in hospitalized patients of contagious diaensea; incidence of staphylococcic compli- cations after antibiotic therapy. Med. int., Bucur. 9 no.12.-1821-1828 Bee 57. 1. Clinics. de boli contagiose I.M.F. Bucwesti, Spitalul "Colentinal (director prof. M. Voiculescu) (COMMUNICABLE DISEASSS, in inf. & child ther., antibiotics, develop. of resist. & subsequent m1orococcal compl.) (MIGROGOGGAL DOWIOITS, in inf. & child develop of antibiotic-resist. infect. after antibiotic ther. of contagious dis.) TECHNOLOGY PE?,IODTCAL: ClaTICKY PRU'iASL, VOL. 8, no. 11, 1958 Brida, J. An apparatus servine the quantitative injection of liquid samples into a chromatographic column. n. 588. Manufacture of synthetic fatty acids in the USSR. P. 592. !-Ionthly List of East European Accessions (EEAI), LC, Vol. 8, no. May 1959, Unclass. SINGLIAR, Hichal, Inz.; BRIDA,, Jan; SPISSKYp Valant Some problems of wialyzing the produots of oxcaynthesis. Chem zveatt 18 na.7x527-532 164. Chem rTeati 18 no.7352?-532 164. la Research Inatituta of Petrochomistry, Navaky. BMA, V. Experience in longwall stope at the Kisovce Pit. p. 290. RUDY Vol-.3, no. 10, Oct. 1955 Czechoslovakia Source: EAST EUROPEAN LISTS Vol. ~, no. 7 July 1956 - BRIDARICP B. -~- "Analysis of the labor productivity in the Varteks Wool Fainishing Plant." P. 1079 (Tekstil) Vol. 6, no. 12J. Dec. 1957 Zagreb, Yugoslavia SO: Monthly Index of East European Accessions (EEAI) LC. Vol. 7, no. 4, April 1958 BOV-91-58-11-2/20 AUTHOR: Kozhevnikov, V.A., an~~ ~,ngineers TITLE: The Yielding of High-Pressure Pipes (Svarka truboprovodov vysokogo davleniya) PERIODICAL-. Energetik, 1958, Nr llp PP 4-8 (USSR) ABSTRACTs The author states that with the introduction of a now and more perfect method of examining welding seams, i.e. the ultrasonic detection of defects (UZD), it was found that the position in regard to the butt-welding of high- pressure pipes was not as good as had previously been supposed. In some cases cracks were found in the root of the seam; the quality of the hollow ingots produced by the factory was largely a cause of this. The author is of the opinion that the ends of the pipes should be machined by the factory in such a way that they can be assembled according to the prescribed instructions for welding as regards to the clearances and angles of taper of the edges; the inner surfaces should be correspondingly made to take cylindrical washers. The author illustrates this Card 1/3 point by several figures and examples, and later refers The Welding of High-Pressure Pipes SOV-91-58-11-2/20 to work being organized by the kafedra svarki Leningrads- kogo politekhnichaskogo instituta (Chair of Welding of the Leningrad Polytechnical Institute) on the butt-welding of pipes, without using washers, but by welding on the first bead by a tungsten electrode in an argon medium. Another method consists of welding on ceramic removable rings. However, these methods are not yet being used in practice. The author further discusses techniques of welding and fault-detection, and finally comes to the following conclusions; 1) the assembly of high-pressure pipes and their inspection by ultrasonic fault detection requires an improvement in the quality of the pipes supp- lied; 2) welding instructions should be followed and in- spection by ultrasonic detection carried outi 3) by Card 2/3 adhering to the rules of technology and changing the The Welding of High-Pressure Pipes SOV-91-58-11-2/20 11geometry" of the buttv the quality of the seam can be im- proved so as to satisfy the demands of ultrasonic fault- detection; 4) in order to reduce the cost of assembly and improve the qualityof the equipment, it is necessary to introduce block delivery of pipes and their controlled assembly at the factory with calibration and marking of the ends of the pipes. There are 7 diagrams and 2 Soviet references. Card 3/3 1. Pipes--Welding BRIDICKA, Rudolf Uvod Do Fysikalni Cheride (Introduction to Physical Cheudstry) Praha, Statni --- Fedagogicke Naklmdatelatvi, 1953, 170 p. Illun., Diagrs.,- TbLbles. At litad of T.-P.: Uc6lbni Texty Vysolqch Skol. Karla Universita v Praze;. Fakultz VzLtematic1,o-Fysikmlni. "Pouzita Literatura": P. 169-170. B.RIDIKO, Tvm BRIONO, Ivan The cycle of operations- the basis of high production miflee labor Literaturnaia cbrabotka D. Akulshina. Moskva Profizdat, 1948. 34 p. (Za stakha-novskie uchastki i tsekhi) (49-18359) TN808.RS67 BRIDIKO,-T. T. Technology (h= experience with round-the-clock work., Moskva, 1951. 9. Monthly List of Russian Accessions. Library of Congress. December -195A. Unclassified. BRIM01, IVAN Bridkoj Ivan - Naabliat opit ot tsikUchnata rabota; zapiald na edin nachalnik na uchastuk. Prevele ot ruski Katia Toicheva. (,qofiya) Profizdat, 1952, 87 p. (Our problem of cyclical operation; notes by a mine supervisor. Tr. from the Russian) SOt Monthly List of Ust European Accessions, Library of Congress., Vol. 2, No. 9., Oct. 1953, Uncl* BRIID*1-90,, I.,, geroy sotsialleticheakogo truds; GBEDU V, Ya., geroy Sotsialistichoskogo truda; MOSEMN, I., reduktor; IAPCHMO. X., takhnicheekly redaktor. [Work cooperation between minors of the Donets Basin and the Kuz-- netak Basin] Tvorohoskoe sodrazhostvo gorniakov DDnbassa i Kuzbassa. Kiev, Goo. Izd-vo polit. lit-ry USSR, 1954. 181 p. (MVRA 8:2) (Kuznetsk Basin-Goal miners) (Donets Basin-Goal miners) BRIDIKO,I. Geroy Sotsialisticheskogo Truda, r_~ Notes on the schedule of a continuous work c7cle. Mast. up ,1. 4 no.3:15-16 Mr 155. (MIRA 8:6) 1. Nachallnik uchastka shakhty no. 5-6 imeni Ulmitrova kombinata Stallnuroll. (Donets Basin--Coal mines and mining) BRIDIKO, I.I., gerov Sotsialintichaskogo truda. 7w;-1igher*'-lST6l Industrial safety. Bezop. truda v prom. 1 no.1: 32-33 Ja '57. (KLU 10:4) 1. Nachal'nik uchaetka shakhty no. 5-6 Im. Dimitrova tresta ]Lrasnoarmeyokugol'. (Mine accidents) BRIDIKO, I., Geroy Sotsialisticheakogo Truda Right road. Mast. u91- 7 no.8:15 Ag '58. (MIRA 11:9) 1.Nachallnik uchastka shakhty No.5-6 imeni Dimitrova tresta Krasnoarmeysk- "I u go~ . (Donets Basin-Mine management) -111 1 , depatat Verkhovnogo Sovets SSSR, dvazhdy Geroy 'Sotsialisti- ll~~~-~--Cbskogo Trade Good luckl -Izobr. i rats. no.10:33 0 138. (MIRA 11:11) 1. Nachallnik 1-go uchastka shakhty No.5-6 imeni Dimitriva tresta "Irasnoarmeyokagoll." (8mgmation systems) 1. BRIDNYA, H. N. 2. usm 6oo 4. Poultry 7. Hy method for raising chicks, Ptitsevodstvo, No. 9. Monthly List of Russian Accessions, Library of Congress, April 1953, Uncl. 1. MIDO, T. T.; PRUSSt P. mi. 2. 'U99R (600) 4. Photographic Emulsions 7. Resolving pover of photographic material. Priroda -/+2, No. 5, 1953. 9. Month List of Russian Accessions, Library of Congress, April _ 1953, Uncl. TAVRIZOV. Vladimir Mikheylovich; BRODOV, Te.Tu., kand. tekhn. nauk, red.; BRID je.Ta., red.; GALAKTIONOTA, U.N., tekhn. red. pr- [Protecting bridges from floating ice by means of blasting] Zashchita mostov ot ledokfioda a primeneniem vzryvnyW rabot. Pod red, IL Brodova. Moskva, Nauohno-tekhn. izd-vo avtotransp. lit-ry, 1958. 67 P. . (NIU 1117) (Bridges) (Ice on rivers, lakes, etc.) KECHEK, M.A.; BRIDUN, B.M.; YEROSHENKOP K.L. Automatic abrasive metal cutting. Biiil.tekh.-ekon.inform.Gos.nauch.- isal.inst.nauch.i takh.inform. no.9t4l-44 163. (MIRA 16tlO) BRINDIS, A.K. New boundary of the habitation of the barn owl in the Latvian S.S.R. Priroda 44 no*3:121 Mr 1550' (MIMA 8:4) le' Inchukalnekly leekh02. (Latvia--Owls)